'Vitriolic' definitions:

Definition of 'vitriolic'

(from WordNet)
adjective
Harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"; "a vitriolic critique" [syn: acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent, vitriolic]
adjective
Of a substance, especially a strong acid; capable of destroying or eating away by chemical action [syn: caustic, corrosive, erosive, vitriolic, mordant]

Definition of 'Vitriolic'

From: GCIDE
  • Vitriolic \Vit`ri*ol"ic\, a. [Cf. F. vitriolique.]
  • 1. (Chem.) Of or pertaining to vitriol; derived from, or resembling, vitriol; vitriolous; as, a vitriolic taste. Cf. Vitriol. [1913 Webster]
  • 2. Biting, bitter or caustic; having or expressing strong and unpleasantly negative feelings; -- of speech or feelings; the vitriolic denunciations of opponents by partisan columnists. [PJC]
  • Vitriolic acid (Old Chem.), (a) sulphuric acid. See Vitriol (b) . [Colloq.] [1913 Webster]